Data from: Altruism can evolve when relatedness is low: evidence from bacteria committing suicide upon phage infection

Dominik Refardt, Tobias Bergmiller & Rolf Kümmerli
High relatedness among interacting individuals has generally been considered a precondition for the evolution of altruism. However, kin-selection theory also predicts the evolution of altruism when relatedness is low, as long as the cost of the altruistic act is minor compared to its benefit. Here, we demonstrate evidence for a low-cost altruistic act in bacteria. We investigated Escherichia coli responding to the attack of an obligately lytic phage by committing suicide in order to prevent...
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